>Number: 107248
>Category: usb
>Synopsis: [PATCH] scsi_da.c quirk for Cowon iAUDIO X5 MP3 player
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-usb
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Wed Dec 27 18:10:13 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator: Eugene M. Kim
>Release: FreeBSD 6.2-PRERELEASE i386
>Organization:
>Environment:
System: FreeBSD bbq.nttmcl.com 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #4: Wed
Dec 20 13:17:18 PST 2006 [EMAIL
PROTECTED]:/home/FreeBSD/build/RELENG_6/obj/home/FreeBSD/build/RELENG_6/src/sys/BBQ
i386
>Description:
iAUDIO X5 (from Cowon), when operating on the USB OTG (on-the-go) port,
does not work--it does not support SYNCHRONIZE CACHE requests.
dmesg excerpt:
da7: <COWON iAUDIO X5 0100> Removable Direct Access SCSI-0 device
da7: 40.000MB/s transfers
da7: 28615MB (58605120 512 byte sectors: 255H 63S/T 3648C)
umass3: Phase Error, residue = 512
umass3: Phase Error, residue = 512
umass3: Phase Error, residue = 512
(da7:umass-sim3:3:0:0): Synchronize cache failed, status == 0x4, scsi
status == 0x0
>How-To-Repeat:
Plug in the MP3 player using the OTG USB port on the right side.
>Fix:
Apply the following patch (tested on RELENG_6):
--- src/sys/cam/scsi/scsi_da.c.old Wed Nov 29 14:39:41 2006
+++ src/sys/cam/scsi/scsi_da.c Wed Dec 27 09:42:10 2006
@@ -459,6 +459,14 @@
{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
},
+ {
+ /*
+ * Cowon iAUDIO X5 MP3 player, OTG mode
+ * PR: usb/XXXXXX
+ */
+ {T_DIRECT, SIP_MEDIA_REMOVABLE, "COWON", "iAUDIO X5",
+ "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
+ },
};
static disk_strategy_t dastrategy;
>Release-Note:
>Audit-Trail:
>Unformatted:
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